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Our Necessities - Air, Water & Food Video Lecture | EVS for Class 2

FAQs on Our Necessities - Air, Water & Food Video Lecture - EVS for Class 2

1. What are the main sources of air pollution?

Ans.The main sources of air pollution include vehicle emissions, industrial discharges, agricultural activities, and natural sources like wildfires and volcanic eruptions. Each of these contributes different pollutants to the atmosphere, which can affect air quality and human health.

2. How much water does an average person need daily?

Ans.An average person needs about 2 to 3 liters of water daily, depending on factors such as age, gender, activity level, and climate. Proper hydration is essential for maintaining bodily functions and overall health.

3. What are some examples of food that provide essential nutrients?

Ans.Examples of food that provide essential nutrients include fruits and vegetables, whole grains, lean proteins (like chicken and fish), nuts, and dairy products. These foods offer vitamins, minerals, and other nutrients necessary for a balanced diet.

4. Why is clean air important for health?

Ans.Clean air is crucial for health because it prevents respiratory diseases, reduces the risk of cardiovascular problems, and promotes overall well-being. Pollutants in the air can lead to serious health issues such as asthma and lung cancer.

5. How can we conserve water in our daily lives?

Ans.We can conserve water by adopting practices like fixing leaks, using water-efficient fixtures, taking shorter showers, collecting rainwater, and being mindful of water use during activities like washing dishes and watering plants.

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Sep 24, 2025 Last updated

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	EVS for Class 2 30 videos\|243 docs\|48 tests

EVS for Class 2

30 videos|243 docs|48 tests

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